//层次遍历
void levelwise(BTnodePtr newTreePtr)
{
	char string[100];
	int i = 0;
	
	QueuePtr Queue = initQueue();
	BTnodePtr tempNodePtr;
	
	enqueue(Queue,newTreePtr);
	while(!isQueueEmpty(Queue))
	{
		tempNodePtr = deQueue(Queue);
		string[i] = tempNodePtr->element ;
		i++;
		if(tempNodePtr->left != NULL)
		{
			enqueue(Queue,tempNodePtr->left);
		}
		if(tempNodePtr->right  != NULL)
		{
			enqueue(Queue,tempNodePtr->right);
		}
	}
	string[i] = '\0';
	printf("levewise:%s",string);
} 